Consolidate all moonweb.org sites under www.moonweb.org

- Migrate timecapsule (old www.moonweb.org) into monorepo as Eleventy 2.x site
- Change all site URLs from subdomains to subdirectories under www.moonweb.org
- Replace Cloudflare Pages deployment with IONOS SFTP
- Update site-switcher, footer, and all internal links
- Add merge script for combining all sites into single deployment
- Update CI/CD workflow for IONOS SFTP deployment
- Update stefankoelle.de references to use new URLs
- Update AGENTS.md and README.md documentation

timecapsule/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "moonweb-timecapsule",
+  "version": "1.0.0",
+  "private": true,
+  "description": "Timecapsule: 2000s retro moonweb.org website",
+  "scripts": {
+    "dev": "npx @11ty/eleventy --serve --port=8087",
+    "build": "npx @11ty/eleventy"
+  },
+  "dependencies": {
+    "@11ty/eleventy": "^2.0.1",
+    "markdown-it": "^14.1.0"
+  }
+}